Home / 5,199.50-7,175.48-2,841.79

Finding the Fourth Proportional to 5,199.50, 7,175.48 and 2,841.79

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Solution

The fourth proportional to 5,199.50, 7,175.48 and 2,841.79 is: 3,921.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.50 : 7,175.48 = 2,841.79 : x
  2. Step 2: Convert to fraction form
    5,199.50/7,175.48 = 2,841.79/x
  3. Step 3: Cross multiply
    5,199.50x = 7,175.48 × 2,841.79
  4. Step 4: Simplify right side
    5,199.50x = 20,391,207.31
  5. Step 5: Solve for x
    x = 20,391,207.31/5,199.50
  6. Step 6: Final answer
    x = 3,921.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.